al_get_display_option(3) al_get_display_option(3)

al_get_display_option - Allegro 5 API

#include <allegro5/allegro.h>
int al_get_display_option(ALLEGRO_DISPLAY *display, int option)

Return an extra display setting of the display.

al_set_new_display_option(3)

Allegro reference manual